Privacy and Security in Online Social Media Week 2 Answers

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Privacy and Security in Online Social Media Week 2 Answers (July-Dec 2025)

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Question 1. Which of the following statements is/are true?
S1: Research on Hurricane Sandy and Boston blasts shows how Twitter users debunk falsehoods during disasters.
S2: Boston Blasts happened on 15 April 2013.
a) S1
b) S2
c) Both
d) None

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Question 2. Which of the following statements are true about Relational Databases?
i. They provided a standard way of representing and querying data and are table-based.
ii. They are a good fit for static datasets.
iii. The relationships between tables in a relational database are defined by using keys.
a) I, iii
b) i, ii
c) ii, iii
d) All are correct

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Question 3. Which of the following is/are designed to handle large amounts of unstructured and semi-structured data?
a) CouchDB
b) Oracle SQL
c) MongoDB
d) JavaDB

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Question 4. Which of the following can be potentially used to collect the below data?
a) MySQL
b) Graph API
c) Facebook API
d) RoboMongo

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Question 5. Which features perform better to distinguish fake and legitimate tweets?
a) tweet-based features
b) Meta-data features
c) user-based features
d) All the above

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Question 6. Tweet about “Floods in McDonald’s at Virginia beach” is related to which Misinformation news spreads?
a) Boston’s explosion
b) Hurricane Sandy
c) Shootouts in the Mexican city
d) None of the above

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Question 7. Choose the correct statement (s):
a) Inter-annotator agreement is used to calculate how good/bad annotations are.
b) NoSQL databases have a flexible schema, which means that the structure of the data can change over time.
c) Kohen’s Kappa is one of the best ways to calculate inter-annotator agreement.
d) It is not important to report how trustworthy the annotation is.

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Question 8. JSON refers to
a) Javascript Object Notation
b) Javascript Object Number
c) Java Object Notation
d) Java Operational Notation

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Question 9. Which of the following is/are python wrappers to collect data?
a) PRAW
b) reddit_api
c) API_wrapper
d) None of the above

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Question 10. Which of the following option(s) is/are true about API?
a) APIs cannot be designed for external use by third-party developers to access the functionality and data of an application.
b) The API is a set of rules and protocols for building and interacting with software applications.
c) An API allows different systems to communicate with each other over a network, such as through HTTP requests and responses.
d) APIs can access a wide range of functionality and data, such as retrieving data from a database, creating or updating resources, or performing operations on a remote system.

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